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NSN 5305-00-195-1758

High Torque Screw

About this product

Between 0.703 inches and 0.750 inches fastener length, flat countersunk head style, between 0.377 inches and 0.381 inches head diameter, grip diameter: between 0.1885 inches and 0.1895 inches .

Manufacturer part number 3MA123-3-5 for national stock number 5305001951758.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-195-1758.

  • MPN or Model

    3MA123-3-5

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.381 inches and 0.448 inches
  • Fastener Length
    Between 0.703 inches and 0.750 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.377 inches and 0.381 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.302 inches and 0.322 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    130000 pounds per square inch
  • Hardness Rating
    24.0 rockwell c and 35.0 rockwell c
  • Minimum Yield Strength
    85000 pounds per square inch
  • Countersink Angle
    100.0 degrees
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5736 assn standard single material response
  • Surface Treatment
    Primer head
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 3 federal specification single treatment response
  • Thread Series Designator
    Unf
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Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305001951758

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3MA123-3-5 Wesco Aircraft Hardware Corp.
3MA123-3-5 Boeing Company, The
3MA123-3-5 Sps Technologies, Llc
3MA123-3-5 Hi-shear Corporation
3MA123-3-5 Alcoa Global Fasteners, Inc.
3MA123-3-5 Lisi Aerospace Canada Corp
3MFRA123-3-5P Boeing Company, The
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